Engine Diagnostic Chart (cont.)

particular measure of the real world condition (Region “i” of signal range definition). Broadcast of data values is continued as normal.

FMI=16 Data valid but above normal operating range - moderately severe level—(applies only to J1939)

The signal communicating information is within a defined acceptable and valid range, but the real world condition is above what would be considered normal as determined by the predefined moderately severe level limits for that particular measure of the real world condition (Region “k” of signal range definition). Broadcast of data values is continued as normal.

FMI=17 Data valid but below normal operating range - least severe level—(applies only to J1939)

The signal communicating information is within a defined acceptable and valid range, but the real world condition is below what would be considered normal as determined by the predefined moderately severe level limits for that particular measure of the real world condition (Region “j” of signal range definition). Broadcast of data values is continued as normal.

FMI=18 Data valid but below normal operating range - moderately severe level—(applies only to J1939)

The signal communicating information is within a defined acceptable and valid range, but the real world condition is below what would be considered normal as determined by the predefined moderately severe level limits for that particular measure of the real world condition (Region “j” of signal range definition). Broadcast of data values is continued as normal.

FMI=19 Received network data in error—(applies only to J1939)

Any failure that is detected when the data received via the network is found substituted with the “error indicator” value (e.g. FE 16, see J1939-71). This type of failure is associated with received network data. the component used to measure the real world signal is wired directly to the ECM sourcing the data to the network and not to the ECM receiving the data via the network. This FMI is applicable to Regions “f” and “g” of the signal range definition. This type of fault may or may not be directly associated with the value of general broadcast information. For J1939, broadcast of data value is substituted with “error indicator” value

FMI=20-30 Reserved for assignment by the SAE J1939 Subcommittee—(applies only to J1939) Applies ONLY to J1939

FMI=31 Not available or condition exists—(applies only to J1939)

Used to indicate that the FMI is not available or that the condition, that is identified by the SPN exists. When no applicable FMI exists for the reported SPN, FMI 31 can be used. Also, in cases where the reported SPN name has the failure information in it, FMI 31 can be used to indicate that the condition reported by the SPN exists. This type of fault may or may not be directly associated with the value of general broadcast information.